CN214321958U - Composite milling cutter - Google Patents
Composite milling cutter Download PDFInfo
- Publication number
- CN214321958U CN214321958U CN202022560196.3U CN202022560196U CN214321958U CN 214321958 U CN214321958 U CN 214321958U CN 202022560196 U CN202022560196 U CN 202022560196U CN 214321958 U CN214321958 U CN 214321958U
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- CN
- China
- Prior art keywords
- cutting
- edges
- milling cutter
- edge
- straight
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/02—Milling-cutters characterised by the shape of the cutter
- B23C5/10—Shank-type cutters, i.e. with an integral shaft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2210/00—Details of milling cutters
- B23C2210/08—Side or top views of the cutting edge
- B23C2210/088—Cutting edges with a wave form
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2210/00—Details of milling cutters
- B23C2210/20—Number of cutting edges
- B23C2210/204—Number of cutting edges five
Abstract
The utility model discloses a combined type milling cutter, which comprises a handle part and a cutting part, wherein the cutting part is arranged at one end of the handle part and comprises a plurality of cutting edges and a plurality of polishing edges, and the polishing edges are arranged on the end surface of the cutting part and are positioned at one end of the cutting part far away from the handle part; the cutting edges are arranged on the side faces of the cutting portion and spirally arranged around the axis of the cutting portion, chip grooves are formed between every two adjacent cutting edges, each cutting edge comprises a plurality of wavy edges and a plurality of straight edges, and auxiliary grooves are arranged on one sides, close to the front face of the wavy edges, of the chip grooves and are wavy. Through the utility model discloses a combined type milling cutter through being provided with wave sword, sleeking sword and straight sword simultaneously, can satisfy the demand of rough machining, semi-finishing demand and the fine machining demand of processing work piece in-process respectively, can reduce the number of times of processing work piece and the number of times of tool changing to improve production efficiency, and reduce combined type milling cutter's use cost.
Description
Technical Field
The utility model relates to a cutting tool's technical field, in particular to combined type milling cutter.
Background
With the development of science and technology, the 3C industry, which integrates and applies three-technology products of computer, communication and consumer electronics, gradually plays an important role in the daily life of people, the quantity of products related to the 3C industry increases, and the production requirements of the products in the 3C industry also correspondingly increase. At present, for the process of processing the inner cavity of a product in the 3C industry, a rough milling cutter is often adopted for rough processing, most of allowance of the product is removed by cutting width and depth on the product greatly, and then a finish processing cutter is used for finish processing; in addition, because the surface of the product after rough machining is rough, a semi-finish machining process is required before finish machining, the same workpiece needs to be machined for three times, the machining efficiency is greatly influenced, and the use cost of the cutter is high.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a combined type milling cutter can satisfy rough machining, semi-finishing and the requirement of finish machining in the work piece course of working simultaneously, reduces the number of times of processing the work piece and the number of times of tool changing to improve production efficiency, and reduce combined type milling cutter's use cost.
According to the utility model discloses a combined type milling cutter of first aspect embodiment includes: a handle;
the cutting part is arranged at one end of the handle part and comprises a plurality of cutting edges and a plurality of smoothing edges, and the smoothing edges are arranged on the end surface of the cutting part and are positioned at one end of the cutting part far away from the handle part; the cutting edge set up in on the side of cutting portion, the cutting edge winds the axis spiral setting of cutting portion is adjacent be formed with the chip groove between the cutting edge, the cutting edge is including a plurality of wave sword and a plurality of straight sword, the chip groove is close to be provided with the auxiliary groove on one side of wave sword rake face, the auxiliary groove is the wave.
According to the utility model discloses combined type milling cutter has following beneficial effect at least: the cutting part is provided with the cutting edge and the smoothing edge, so that the smoothing edge can ensure high smoothness on the plane of the workpiece while the cutting edge processes the workpiece; the cutting edge comprises a wavy edge and a straight edge, wherein the wavy edge can lighten cutting vibration and reduce cutting resistance at the same time, chip removal efficiency is high, the requirement of rough machining is met, and meanwhile, fine machining can be performed on a workpiece under the action of the straight edge. Through the combined type milling cutter that so sets up, can satisfy simultaneously and carry out three kinds of processing demands of rough machining, semi-finishing and finish machining to the work piece in the course of working of work piece, improved the efficiency of processing the work piece, reduce the number of times of tool changing simultaneously, reduced the use cost of cutter.
According to some embodiments of the invention, the wave-shaped blade is provided between any two of the straight blades.
According to some embodiments of the utility model, the straight sword is provided with threely, the wave sword is provided with two.
According to some embodiments of the present invention, the straight blade is provided with a cylindrical blade, and the width of the cylindrical blade is 0.03-0.05 mm.
According to some embodiments of the invention, the diameter of revolution of the wave-shaped edge is 0.05-0.1mm smaller than the diameter of revolution of the straight edge.
According to some embodiments of the utility model, the chip groove sets up to the U style of calligraphy.
According to some embodiments of the present invention, the cutting portion further comprises a chip groove, the chip groove is disposed on the end surface of the cutting portion, and is located at a position where the cutting portion is away from the one end of the shank portion, and the chip groove is used for discharging chips generated on the end surface of the cutting portion.
According to some embodiments of the invention, the shank is provided in a cylindrical shape, and the shank is formed integrally with the cutting portion.
According to some embodiments of the invention, the straight edge and the wave edge are all spirally arranged.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of a composite milling cutter according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a front view of a composite milling cutter according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a side view of a composite milling cutter according to an embodiment of the present invention.
Reference numerals:
the composite milling cutter 100, a shank 110, a cutting portion 120, a chip groove 121, a secondary groove 122, a straight edge 123, a wavy edge 124, a smoothing edge 125, and a chip groove 126.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
A composite milling cutter 100 according to the present invention is described below with reference to fig. 1 to 3.
As shown in fig. 1, the composite milling cutter 100 according to the present invention includes: a shank 110 and a cutting portion 120.
The cutting part 120 is disposed at one end of the shank 110, and the cutting part 120 includes a plurality of cutting edges and a plurality of wiper edges 125, the wiper edges 125 are disposed on the end surface of the cutting part 120 and are located at one end of the cutting part 120 far away from the shank 110; the cutting edges are arranged on the side surfaces of the cutting part 120 and spirally arranged around the axis of the cutting part 120, chip grooves 121 are formed between the adjacent cutting edges, each cutting edge comprises a plurality of wavy edges 124 and a plurality of straight edges 123, auxiliary grooves 122 are arranged on one sides of the chip grooves 121 close to the rake faces of the wavy edges 124, and the auxiliary grooves 122 are wavy.
Specifically, in the process of roughly machining the workpiece, the part of the workpiece to be machined needs to be cut wide and deep in a short time, so that the generated cutting is more, and by the aid of the cutting edge with the wavy edge 124, cutting vibration can be reduced in the machining process, cutting resistance can be reduced, the chip removal capacity can be increased, the wavy edge 124 can be used for meeting the requirement of roughly machining the workpiece for fast chip removal, and the strength of the wavy edge 124 is ensured; the minor groove 122 is disposed on a side close to the rake face of the wavy edge 124, and the wavy edge 124 is formed along the wavy minor groove 122. The wavy edge 124 and the straight edge 123 are spirally arranged around the axis of the cutting part 120, so that the space of the chip discharge groove 121 is increased on the premise of ensuring the strength of the straight edge 123 and the wavy edge 124, and the chip discharge efficiency is improved. The cutting edge is provided with a cylindrical land which can also avoid influencing the surface finish of the workpiece in the process of processing the workpiece, and can increase the supporting area of the rear cutter face of the combined milling cutter 100 on the workpiece and the frictional resistance of the rear cutter face, thereby ensuring the stability of the straight edge 123 and enabling the workpiece to reach the required processing precision. By providing the wiper 125 at the end of the cutting portion 120 remote from the shank 110, the smoothness of the workpiece in the plane perpendicular to the axial direction of the compound milling cutter 100 can be ensured, and the semi-finishing process can be omitted.
In some embodiments of the present invention, the wavy edge 124 is disposed between any two of the straight edges 123. For example, as shown in fig. 1 and 2, the wavy edge 124 is disposed between any two of the straight edges 123. Particularly, the wavy cutting edge can reduce cutting vibration and cutting resistance, and the chip removal efficiency of the wavy edge 124 is high, so that the wavy edge 124 can meet the requirement of rough machining; the wavy edge 124 is arranged between any two straight edges 123, so that the stress distribution between the straight edges 123 and the wavy edge 124 is more uniform, and the fine machining requirement of the workpiece can be met under the action of the straight edges 123 after the wavy edge 124 is subjected to rough machining.
In some embodiments of the present invention, the straight edge 123 is provided three, and the wavy edge 124 is provided two. For example, as shown in fig. 1 and 2, three straight edges 123 are provided and two wavy edges 124 are provided. Specifically, three straight edges 123 and two wavy edges 124 are arranged, and each wavy edge 124 is arranged between any two straight edges 123, so that the wavy edges 124 and the straight edges 123 can be more stable, and the efficiency of processing workpieces is improved. It can be understood that, according to the actual use requirement, different numbers of the straight edges 123 and the wavy edges 124 may be further provided, and the provision of the three straight edges 123 and the two wavy edges 124 in the present embodiment is not a specific limitation of the present invention.
In some embodiments of the present invention, the straight blade 123 is provided with a cylindrical blade, and the width of the cylindrical blade is 0.03-0.05 mm. For example, as shown in fig. 1 and 2, the straight edge 123 is provided with a 0.03-0.05mm wide cylindrical margin. Specifically, by arranging a 0.03-0.05mm cylindrical edge zone on the straight edge 123, the supporting area of the rear cutter face of the combined milling cutter 100 to a workpiece in the machining process can be increased, and the frictional resistance of the rear cutter face is increased, so that the vibration elimination effect is achieved, and the stability of the straight edge 123 in the machining process is ensured; meanwhile, the cylindrical blade can also avoid influencing the surface finish of the workpiece in the process of processing the workpiece.
In some embodiments of the present invention, the diameter of revolution of the wavy edge 124 is 0.05-0.1mm smaller than the diameter of revolution of the straight edge 123. For example, as shown in fig. 1 and 2, the diameter of revolution of the wavy edge 124 is smaller than that of the straight edge 123 by 0.05-0.1 mm. Specifically, the revolving diameter of the wavy edge 124 is set to be 0.05-0.1mm smaller than the revolving diameter of the straight edge 123, so that the rough machining operation of the workpiece by the wavy edge 124 can be realized in the process of machining the workpiece by the composite milling cutter 100, and meanwhile, the revolving diameter of the straight edge 123 is slightly larger than the revolving diameter of the wavy edge 124, so that the workpiece can be subjected to fine machining by the straight edge 123 on the basis of meeting the rough machining requirement, the machining precision of the workpiece is improved, and the requirement of fine machining is met.
In some embodiments of the present invention, the flutes 121 are arranged in a U-shape. Specifically, the chip grooves 121 are formed by grinding with a formed grinding wheel, so that the composite milling cutter 100 is low in cost and high in efficiency; under the effect of the forming grinding wheel, the chip discharge groove 121 is arranged in a U shape, so that the chip containing space is increased on the premise of ensuring the rigidity of the cutting edge, and the chip discharge efficiency is improved.
In some embodiments of the present invention, a chip groove 126 is further included, the chip groove 126 is disposed on the end surface of the cutting portion 120, and the end of the cutting portion 120 away from the handle 110 is used for discharging chips generated on the end surface of the cutting portion 120. For example, as shown in fig. 1 and 3, the flutes 126 are provided on the end face of the cutting portion 120 and at one end of the cutting portion 120 from the shank 110. Specifically, the chip groove 126 is formed in the end surface of the cutting portion 120, so that more cutting generated by rough machining can be performed in the chip groove 121 through the chip groove 126 in the process of machining a workpiece, the chip removal efficiency is improved, the requirement of rough machining is met, and the machining efficiency and effect are prevented from being influenced by the chips generated in the rough machining process.
In some embodiments of the present invention, the shank 110 is provided in a cylindrical shape, and the shank 110 is integrally formed with the cutting portion 120. For example, as shown in FIG. 1, the shank 110 is provided in a cylindrical shape, and the shank 110 is integrally formed with the chip portion. Specifically, by providing the shank 110 in a cylindrical shape, the composite milling cutter 100 facilitates clamping of the shank 110 to a machine tool and is adaptable to different fixtures. In addition, the shank 110 and the cutting portion 120 are integrally formed, so that the cost for manufacturing the composite milling cutter 100 can be reduced, and the composite milling cutter 100 in the embodiment of the present market can be manufactured without being mounted.
The composite milling cutter 100 according to the present invention will be described in detail with reference to fig. 1 to 3 as a specific embodiment, it being understood that the following description is only an example and not a specific limitation of the present invention.
As shown in fig. 1 to 3, the cutting portion 120 is disposed at one end of the shank 110, and the cutting portion 120 includes a plurality of cutting edges and a plurality of wiper edges 125, the wiper edges 125 are disposed on an end surface of the cutting portion 120 and are located at one end of the cutting portion 120 far from the end, and the cutting edges are disposed on a side surface of the cutting portion 120; a plurality of chip grooves 121 are formed between adjacent cutting edges, a wave-shaped auxiliary groove 122 is further arranged on any two chip grooves 121, each cutting edge comprises a plurality of wave-shaped edges 124 and a plurality of straight edges 123, and the auxiliary grooves 122 correspond to the wave-shaped edges 124. The end surface of the cutting portion 120 provided with the wiper edge 125 is also provided with a chip pocket 126 for discharging chips generated on the cut end surface.
Specifically, three straight edges 123 are provided, two wavy edges 124 are provided, one wavy edge 124 is provided between any two straight edges 123, and the revolving diameter of the wavy edge 124 is 0.05-0.1mm smaller than that of the straight edges 123; the straight edge 123 is provided with a cylindrical edge zone, and the width of the cylindrical edge zone is 0.03-0.05 mm. The chip groove 121 is formed in a U shape to improve the efficiency of the chip groove 121 in receiving cutting and discharging cutting.
According to the utility model discloses a combined type milling cutter 100, through so setting up, some effects as follows at least can be reached, through combined type milling cutter 100 who so sets up, be provided with straight sword 123 and wave sword 124 around the cutting edge, rough machining and finish machining demand in the work piece course of working can be satisfied simultaneously, be provided with smoothing sword 125 on the terminal surface of cutting edge simultaneously, the smooth finish on work piece machined surface can also be improved, thereby satisfy the semi-finishing demand in the work piece course of working, the efficiency of processing the work piece has been improved, reduce the number of times of tool changing simultaneously, the use cost of cutter has been reduced. Meanwhile, the chip discharge capacity can be improved by providing the chip groove 126 at one end of the cutting part 120, providing the U-shaped chip discharge groove 121 around the cutting part 120, and providing the sub-groove 122 on the chip discharge groove 121 corresponding to the wavy edge 124. The cylindrical edge zone of 0.03-0.05mm is arranged on the straight blade 123, so that the supporting area of the rear cutter face of the combined milling cutter 100 to a workpiece in the machining process is increased, and the frictional resistance of the rear cutter face is increased, thereby playing a role in eliminating vibration and ensuring the stability of the straight blade 123 in the machining process.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (8)
1. A composite milling cutter, comprising:
a handle;
the cutting part is arranged at one end of the handle part and comprises a plurality of cutting edges and a plurality of smoothing edges, and the smoothing edges are arranged on the end surface of the cutting part and are positioned at one end of the cutting part far away from the handle part; the cutting edge set up in on the side of cutting portion, the cutting edge winds the axis spiral setting of cutting portion is adjacent be formed with the chip groove between the cutting edge, the cutting edge is including a plurality of wave sword and a plurality of straight sword, the chip groove is close to be provided with the auxiliary groove on one side of wave sword rake face, the auxiliary groove is the wave.
2. The milling cutter according to claim 1, wherein one of the wavy edges is disposed between any two of the straight edges.
3. The milling cutter according to claim 2, wherein there are three straight edges and two wavy edges.
4. The milling cutter according to claim 2, wherein the straight edge is provided with a cylindrical land, and the cylindrical land has a width of 0.03-0.05 mm.
5. The milling cutter according to claim 2, wherein the diameter of revolution of the wavy edge is 0.05-0.1mm smaller than the diameter of revolution of the straight edge.
6. The milling cutter according to claim 1, wherein the flutes are U-shaped.
7. The composite milling cutter as set forth in claim 1, further comprising a chip flute provided on the end surface of the cutting portion at an end of the cutting portion remote from the shank portion, the chip flute for discharging chips generated on the end surface of the cutting portion.
8. The milling cutter according to claim 1, wherein the shank portion is cylindrically configured and is integrally formed with the cutting portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022560196.3U CN214321958U (en) | 2020-11-06 | 2020-11-06 | Composite milling cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022560196.3U CN214321958U (en) | 2020-11-06 | 2020-11-06 | Composite milling cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214321958U true CN214321958U (en) | 2021-10-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022560196.3U Active CN214321958U (en) | 2020-11-06 | 2020-11-06 | Composite milling cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214321958U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023219594A1 (en) * | 2022-05-11 | 2023-11-16 | Sabanci Üniversitesi | A rotary cutting tool with improved chatter supression performance |
-
2020
- 2020-11-06 CN CN202022560196.3U patent/CN214321958U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023219594A1 (en) * | 2022-05-11 | 2023-11-16 | Sabanci Üniversitesi | A rotary cutting tool with improved chatter supression performance |
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